[The loss of the 1st permanent molar in a sample of Greek and American populations of 8 to 12 years of age].
D002648:Child; D003431:Cross-Cultural Comparison; D006115:Greece / Q000208:ethnology; D006801:Humans; D008963:Molar / Q000503:physiopathology*; D012494:Sampling Studies; D014080:Tooth Exfoliation / Q000453:epidemiology*; D014481:United States / Q000208:ethnology
E apoleia tou protou monimou gomphiou se deigma plethusmou ellenon kai Amerikanon elikias 8 mechri 12 eton.